something spread against, i.e. under or over, a cover, spread, rug, cushion or carpet to sit on bedding of a couch (nisīdana˚) Vin.i.47, Vin.i.295, Vin.i.296 Vin.ii.208, Vin.ii.218; DN.i.7 (kadali-miga-pavara˚, cp. DN-a.i.87) AN.i.137 (id.); AN.iii.50 (id.); Ja.i.126; Ja.iv.353 (uṇṇāmaya) Pv-a.141, Pv-a.137.

pati + ā + stṛ; cp. BSk. pratyāstaraṇa Divy.19